2021 Hyundai Elantra: Reliability, Recalls, Known Issues & Cost to Own
Data last updated 2026-07-04 · sources listed throughout · based on public NHTSA data
Sharp, efficient and cheap to own with a long warranty; 2021 demerits are recurring horn failures, an over-active automatic-braking system and a seat-belt-pretensioner recall. A solid used compact if recalls are done. 3 known issue patterns are documented below, with frequency and the mileage windows where they typically appear. New, the 2021 Hyundai Elantra ranged from $19,650 to $25,450 depending on trim (base MSRP, before options and destination).
This listing
Context from the listing you were viewing, not a market-price judgement.
Sharp, efficient and cheap to own with a long warranty; 2021 demerits are recurring horn failures, an over-active automatic-braking system and a seat-belt-pretensioner recall. A solid used compact if recalls are done.
Sources (2)
- api.nhtsa.govhttps://api.nhtsa.gov/complaints/complaintsByVehicle?make=hyundai&model=elant…
- repairpal.comhttps://repairpal.com/reliability/hyundai/elantra
Known issues
-
The forward-collision-avoidance / automatic emergency braking system can brake or warn with no obstacle present, creating a rear-end risk on the highway.
commonly reported · electrical
-
Reports of engine stalling and power loss; certain 2023 cars were recalled for an oil-pump controller that can overheat and risk fire (23V859).
occasional · engine
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The horn frequently fails (water intrusion into the assembly) and often fails again after replacement.
commonly reported · typically 3k–40k miles · electrical
Based on public NHTSA complaint data and AI synthesis: patterns, not guarantees.
Sources (1)
- api.nhtsa.govhttps://api.nhtsa.gov/complaints/complaintsByVehicle?make=hyundai&model=elant…
Recalls & safety
Recall history hasn't been loaded for this model year yet.
Whether a recall is still open on a specific car depends on its VIN. Check it free at NHTSA's VIN lookup (nhtsa.gov/recalls), or ask the seller for proof the repair was done.
Pros & cons
Pros
- Long 10yr/100k powertrain warranty and low repair costs.
- Excellent fuel economy (gas around 33 mpg; hybrid near 48 mpg) and lots of standard tech.
- Sharp, upscale-looking styling and a roomy cabin with a big trunk for the class.
Cons
- Elevated road noise and some low-rent interior plastics.
- Base engine acceleration is only adequate.
- Recurring horn failures and an over-eager automatic-emergency-braking system that brakes for no reason.
Trims & original pricing
| Trim | Original base MSRP | New today | Engine | MPG |
|---|---|---|---|---|
| SE | $19,650 | $22,625 | 2.0L I4 | — |
| SEL | $20,900 | $23,750 | 2.0L I4 | — |
| N Line | $24,100 | $29,400 | 1.6L turbo I4 | — |
| Limited | $25,450 | $27,175 | 2.0L I4 | — |
Prices are base MSRP for each trim's standard configuration. Options, packages, and destination charges added to what original buyers actually paid.
2021-2023 cars held unusually high used values due to pandemic-era supply shortages, so comparisons to original MSRP read differently for these years.
Sources (3)
- iseecars.comhttps://www.iseecars.com/car/2021-hyundai-elantra-price
- fueleconomy.govhttps://www.fueleconomy.gov/ws/rest/vehicle/menu/options?year=2024&make=Hyund…
- iseecars.comhttps://www.iseecars.com/car/hyundai-elantra-price
Depreciation
Move your cursor along the line to see the estimated value for any year.
This listing sits above the typical depreciation curve. Common for heavily-optioned cars and for 2021-2023 model years (pandemic-era pricing); the curve is anchored at base MSRP, which excludes options.
Curve anchored at the entry-trim base MSRP ($19,650). Higher trims started higher (up to $25,450), and options added more.
Curve outlook: a typical 2021 loses roughly another 19% of its value over the next 3 years. These are estimates from public data, not a market-price claim.
2021-2023 cars held unusually high used values due to pandemic-era supply shortages, so comparisons to original MSRP read differently for these years.
Sources (2)
- caredge.comhttps://caredge.com/hyundai/elantra/depreciation
- iseecars.comhttps://www.iseecars.com/car/hyundai-elantra/resale-value
Cost to own
| Routine maintenance | ≈ $500–550/yr |
| Insurance (medium tier) | ≈ $2,400–2,500/yr |
National-average estimates based on public data. Your costs vary by region, driver, and condition.
Sources (1)
- caredge.comhttps://caredge.com/hyundai/elantra/depreciation
Frequently asked questions
What problems does the 2021 Hyundai Elantra have?
Documented issue patterns include: The forward-collision-avoidance / automatic emergency braking system can brake or warn with no obstacle present, creating a rear-end risk on the highway; Reports of engine stalling and power loss; certain 2023 cars were recalled for an oil-pump controller that can overheat and risk fire (23V859); The horn frequently fails (water intrusion into the assembly) and often fails again after replacement. Frequency is based on public NHTSA complaint data: patterns, not guarantees.
Is the 2021 Hyundai Elantra reliable?
Sharp, efficient and cheap to own with a long warranty; 2021 demerits are recurring horn failures, an over-active automatic-braking system and a seat-belt-pretensioner recall. A solid used compact if recalls are done.
How much did the 2021 Hyundai Elantra cost new?
Between $19,650 and $25,450 depending on trim. Those are base MSRPs for each trim's standard configuration; options, packages, and destination charges added to what original buyers actually paid. 2021-2023 cars held unusually high used values due to pandemic-era supply shortages, so comparisons to original MSRP read differently for these years.
Is the Hyundai Elantra expensive to maintain?
Estimated routine maintenance runs about $500–550/year.
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Estimates are based on public data: patterns, not guarantees. CarVitals is not affiliated with NHTSA, CarMax, AutoTrader, or Cars.com. Issue frequencies come from public NHTSA complaint data, which has no denominator, so they describe reporting patterns, not failure probabilities. Always have a used car inspected before buying. How we build these reports.